Railroad Archives Online
- CollectionE0477 - BNSF Maps, Drawings and Records Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3004 - Maintenance of Way support
- ItemEBP0179 - Great Northern Technical Drawing, Beal, Oregon, 1932
- ItemEBP0430 - Great Northern Maintenance of Way Car Technical Drawing, undated
- ItemEBP0521 - Great Northern Technical Drawing, California Extension, Oregon, 1932
- ItemEBP0522 - Great Northern Technical Drawing, California Extension, Oregon, 1932
- ItemEBP1004 - Great Northern Technical Drawing, Chemult, Oregon, 1932
- 12 more...